Irreversibility of the antiferroelectric to ferroelectric phase transition in (Pb0.90Ba0.10)ZrO3 ceramics

Abstract

Dielectric and x-ray diffraction evidences are presented to show that the antiferroelectric to ferroelectric phase transition in (Pb0.90Ba0.10)ZrO3 ceramics is not reversible during the cooling cycle. It is shown that the stable antiferroelectric phase recovers from the metastable ferroelectric matrix on aging at room temperature. The kinetics of recovery of the antiferroelectric phase is very sluggish. It is pointed out that this type of irreversibility occurs in field induced antiferroelectric to ferroelectric transitions also. This may have serious implications for the actuator applications of these materials. It is proposed that the large transformation strains associated with the antiferroelectric orthorhombic to ferroelectric rhombohedral phase transition is responsible for this irreversibility.

Progress in synthesis of ferroelectric ceramic materials via high-energy mechanochemical technique

“…The phase transformation of antiferroelectric ceramic from antiferroelectric (AFE) to ferroelectric (FE) phase can be induced by a sufficiently high electric field [99][100][101][102]. This phase transformation is accompanied by a large volumetric change since the unit cell of FE phase is larger than that of AFE phase.…”

The phase evolution with temperature in 0.94PbZrO3–0.06Pb(Mg1/2W1/2)O3 antiferroelectric ceramic

“…Shirane [16] investigated the phase transition behavior of Ba 2+ doping in PZ and reported that the ferroelectric intermediate phase between the AFE and PE phase for Ba 2+ concentrations was lower than x = 0.175. Pokharel and Pandey [17,18] reported that relaxor ferroelectric behavior for Ba 2+ concentrations was higher than x = 0.25. Recently, it was reported that antiferroelectric (Pb 1−x Ba x )ZrO 3 (PBZ) films, with a higher barium content of more than 45 mol%, were in paraelectric state at room temperature and possessed excellent dielectric properties comparable to (Ba,Sr)TiO 3 [6].…”

Effect of BiAlO3 modification on the stability of antiferroelectric phase in PbZrO3 ceramics prepared by conventional solid state reaction

“…Therefore, most AFE ceramics are modified chemically by adding metal oxide at the A-and B-sites of the perovskite structure. The FE intermediate phase can be induced by adding Ba 2+ , Sr 2+ , and La 3+ at the Pb 2+ -site [2,[4][5][6][7]. Moreover, our recent research found that the FE intermediate phase also can be induced by adding, for example, hybrid-doped Ni 2+ /Nb 5+ , Zn 2+ /Nb 5+ , Co 2+ /Nb 5+ and Mg 2+ /W 6+ at the Zr 4+ -site [8][9][10][11][12][13][14].…”